body {
    --wd: 1200px;
    --red: #ff0000;
    --box: 100px;
    --grey: #f5f5f5;
  }
  
  .flex {
    display: flex;
  }
  .column {
    flex-direction: column;
  }
  .row-reverse {
    flex-direction: row-reverse;
  }
  .j-around {
    justify-content: space-around;
  }
  .j-between {
    justify-content: space-between;
  }
  .j-center {
    justify-content: center;
  }
  .a-center {
    align-items: center;
  }
  .j-end {
    justify-content: end;
  }
  .a-end {
    align-items: flex-end;
  }
  .bred {
    border: 1px red solid;
  }
  .bgreen {
    border: 1px #5ed062 solid;
  }
  .bdefault {
    border: 1px #c7c8ca solid;
  }
  .bb{
    border-bottom: 1px #41b0d9 solid;
  }
  .wrap {
    flex-wrap: wrap;
  }
  .mt-10 {
    margin-top: 10px;
  }
  .mt-20 {
    margin-top: 20px;
  }
  .mt-30 {
    margin-top: 30px;
  }
  .mt-40 {
    margin-top: 40px;
  }
  .mt-50 {
    margin-top: 50px;
  }
  .ml-10 {
    margin-left: 10px;
  }
  .ml-20 {
    margin-left: 20px;
  }
  .ml-30 {
    margin-left: 30px;
  }
  .ml-40 {
    margin-left: 40px;
  }
  .mr-10 {
    margin-right: 10px;
  }
  .mr-20 {
    margin-right: 20px;
  }
  .mr-30 {
    margin-right: 30px;
  }
  .mr-40 {
    margin-right: 40px;
  }
  .mb-10 {
    margin-bottom: 10px;
  }
  .mb-20 {
    margin-bottom: 20px;
  }
  .mb-30 {
    margin-bottom: 30px;
  }
  .mb-40 {
    margin-bottom: 40px;
  }
  .br-10 {
    border-radius: 10px;
  }
  .br-20 {
    border-radius: 20px;
  }
  .br-30 {
    border-radius: 30px;
  }
  .br-40 {
    border-radius: 40px;
  }
  .br-50 {
    border-radius: 50%;
  }
  .m-center {
    margin: 0 auto;
  }
  .t-center {
    text-align: center;
  }
  .pd-20 {
    padding: 40px;
  }
  .bds {
    margin: 0 auto;
    height: 40px;
    line-height: 40px;
    width: 90%;
    font-size: 36px;
    letter-spacing: 10px;
    color: #fff;
    background-color: #214091;
    text-align: center;
    border-radius: 10px;
  }
  .font-28 {
    font: 28px 400;
  }
  .font-30 {
    font: 30px 400;
  }
  .font-32 {
    font: 32px 400;
  }
  .font-b {
    font-weight: 800;
  }
  .oe {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }
  .overflow-ellipsis {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }
  